Silents and sound

Anne Bogart's directorial style morphs from theatre into dance into performance art as seen in two recent productions, both with lighting by Mimi Jordan Sherin. "American Silents" takes us back to the early days of motion pictures, while "The Medium" fast-forwards us to the cutting edge of the technological age. In "American Silents," Sherin used a battery of old and looks-like-old instruments to recreate early 20th-century, first-generation movie lighting, while "The Medium" flickers toward